Home / 150,097.20-225,145.76-71,168.36

Finding the Fourth Proportional to 150,097.20, 225,145.76 and 71,168.36

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Solution

The fourth proportional to 150,097.20, 225,145.76 and 71,168.36 is: 106,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,097.20 : 225,145.76 = 71,168.36 : x
  2. Step 2: Convert to fraction form
    150,097.20/225,145.76 = 71,168.36/x
  3. Step 3: Cross multiply
    150,097.20x = 225,145.76 × 71,168.36
  4. Step 4: Simplify right side
    150,097.20x = 16,023,254,500.15
  5. Step 5: Solve for x
    x = 16,023,254,500.15/150,097.20
  6. Step 6: Final answer
    x = 106,752.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.